7,9,0,0,0,0,3,0,0,
0,0,0,0,0,6,9,0,0,
8,0,0,0,3,0,0,7,6,
0,0,0,0,0,5,0,0,2,
0,0,5,4,1,8,7,0,0,
4,0,0,7,0,0,0,0,0,
6,1,0,0,9,0,0,0,8,
0,0,2,3,0,0,0,0,0,
0,0,9,0,0,0,0,5,4
